Research Article
Passive Switched Capacitor RF Front Ends for Spectrum Sensing in Cognitive Radios
Table 2
Table of SNDR and SFDR with 1-tone, on-bin, 0 dBFS inputs.
| One-tone bin | 1 GS/s | 3 GS/s | 5 GS/s | SNDR | SFDR | SNDR | SFDR | SNDR | SFDR |
| 1 | 46.6 | 37.7 | 45.8 | 35.8 | 48.1 | 42.6 | 2 | 50.9 | 42.8 | 50.7 | 43.8 | 48.4 | 39.7 | 3 | 51.5 | 44.7 | 49.8 | 44.8 | 45.8 | 41.8 | 4 | 48.9 | 37.9 | 51.4 | 40.2 | 51.1 | 41.1 | 5 | 50.2 | 44.4 | 47.7 | 40.7 | 46.2 | 42.5 | 6 | 51.4 | 44.8 | 48.0 | 40.1 | 45.0 | 36.3 | 7 | 48.1 | 40.2 | 48.2 | 42.6 | 45.1 | 40.1 | 8 | 56.5 | 51.2 | 61.2 | 57.2 | 49.9 | 42.8 | 9 | 48.5 | 41.3 | 47.5 | 41.2 | 45.2 | 39.6 | 10 | 53.7 | 47.8 | 46.6 | 39.6 | 44.5 | 35.6 | 11 | 50.3 | 44.9 | 47.6 | 40.0 | 46.6 | 43.3 | 12 | 49.2 | 37.9 | 52.2 | 41.4 | 50.9 | 41.6 | 13 | 52.0 | 46.2 | 50.0 | 45.5 | 45.0 | 39.9 | 14 | 53.8 | 46.6 | 50.9 | 43.0 | 48.5 | 38.8 | 15 | 47.1 | 39.0 | 45.4 | 35.9 | 48.9 | 42.3 |
| Minimum | 46.6 | 37.7 | 45.4 | 35.8 | 44.5 | 35.6 | Maximum | 56.5 | 47.8 | 61.2 | 45.5 | 51.1 | 43.3 |
| | 50.6 | 43.2 | 49.5 | 42.1 | 47.3 | 40.5 | | 2.7 | 4.1 | 3.8 | 5.0 | 2.3 | 2.3 |
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